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refactor(main) flag parsing and validation in init

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This commit is contained in:
Guilherme Salazar
2019-12-12 13:35:43 -08:00
parent 8daa26cfda
commit 77057d1f51
1 changed files with 23 additions and 19 deletions
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14
main.go
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@@ -14,6 +14,15 @@ import (
var socket = flag.String("socket", "", "Socket to listen into") var socket = flag.String("socket", "", "Socket to listen into")
func init() {
flag.Parse()
if *socket == "" {
flag.Usage()
os.Exit(2)
}
}
func runServer(listener net.Listener) { func runServer(listener net.Listener) {
var handle codec.MsgpackHandle var handle codec.MsgpackHandle
handle.ReaderBufferSize = 4096 handle.ReaderBufferSize = 4096
@@ -37,10 +46,6 @@ func runServer(listener net.Listener) {
} }
func main() { func main() {
flag.Parse()
if *socket != "" {
err := os.Remove(*socket) err := os.Remove(*socket)
if err != nil && !os.IsNotExist(err) { if err != nil && !os.IsNotExist(err) {
log.Printf(`removing "%s": %s`, socket, err) log.Printf(`removing "%s": %s`, socket, err)
@@ -57,4 +62,3 @@ func main() {
runServer(listener) runServer(listener)
} }
}